DC DC Switching Controllers
Browse available DC DC Switching Controllers components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Output Type | Function | Output Configuration | Topology | Number of Outputs | Output Phases | Voltage - Supply (Vcc/Vdd) | Frequency - Switching | Duty Cycle (Max) | Synchronous Rectifier | Clock Sync | Serial Interfaces | Control Features | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL6558IBZIC REG CTRLR BUCK 16SOIC |
1,816 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6558IBZ-TIC REG CTRLR BUCK 16SOIC |
4,997 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6558IRIC REG CTRLR BUCK 20QFN |
2,536 | - |
|
Datasheet | - | 20-VQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (5x5) |
|
|
ISL6558IR-TIC REG CTRLR BUCK 20QFN |
4,689 | - |
|
Datasheet | - | 20-VQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (5x5) |
|
ISL6559CBZIC REG CTRLR BUCK 28SOIC |
2,838 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6559CRZ-TIC REG CTRLR BUCK 32QFN |
3,124 | - |
|
Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6560CBIC REG CTRLR BUCK 16SOIC |
2,105 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 10.8V ~ 13.2V | Up to 2MHz | 50% | - | No | - | Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6560CBZIC REG CTRLR BUCK 16SOIC |
4,155 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 10.8V ~ 13.2V | Up to 2MHz | 50% | - | No | - | Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6565ACBIC REG CTRLR BUCK 28SOIC |
1,460 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6590DR-TIC REG CTRLR BUCK ASI 64QFN |
1,836 | - |
|
Datasheet | - | 64-VFQFN Exposed Pad | - | Obsolete | PWM Signal | Step-Down | Positive | Buck | 6 | 6 | 3.135V ~ 3.465V | 250kHz ~ 1MHz | 24% | - | Yes | ASI | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 64-QFN (9x9) |
|
ISL6721ABIC REG CTRLR BOOST/FLYBK 16SOIC |
3,802 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6721AB-TIC REG CTRLR BOOST/FLYBK 16SOIC |
4,502 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6721AVIC REG CTRLR BOOST/FLYBK 16TSSOP |
2,106 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
ISL6729IBZ-TIC REG CTRLR MULT TOPOLOGY 8SOIC |
4,022 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 4.75V ~ 5.25V | Up to 1MHz | 99% | Yes | No | - | - | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
ISL6740IBIC REG CTRLR MULT TOP 16SOIC |
4,793 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6740IBZIC REG CTRLR MULT TOP 16SOIC |
2,900 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6740IBZ-TIC REG CTRLR MULT TOP 16SOIC |
3,123 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6740IVIC REG CTRLR MULT TOP 16TSSOP |
1,914 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
ISL6740IV-TIC REG CTRLR MULT TOP 16TSSOP |
3,202 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
ISL6741IBIC REG CTRLR MULT TOP 16SOIC |
1,267 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
DC DC Switching Controllers FAQ
What DC DC Switching Controllers components can I source from EGOO?
You can browse available DC DC Switching Controllers product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete DC DC Switching Controllers parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
